MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


zgRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7
SHA3-384 hash: 97e33a33c2f967a2f3b9890eecbef7b616f2b4ae8e636e0050da302109fc5f441305924308cdd35dc10d2dcb856f2e42
SHA1 hash: dfe905d834c1fad6d0e69878ff2aef8940777a75
MD5 hash: 65e566a4ba419a57aa4a16e54c20631b
humanhash: arkansas-march-zebra-asparagus
File name:65e566a4ba419a57aa4a16e54c20631b
Download: download sample
Signature zgRAT
Create hunting rule
File size:3'519'032 bytes
First seen:2024-03-27 08:25:03 UTC
Last seen:2024-03-27 10:24:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:PLq719uEGg4+A7Dg4rReviyxcv5zvq1eVOBAmdECRxa+6zCAI2JCJjway88t:PqA7bCjcNq1eVCz/xa8AXJuUFFt
Threatray 152 similar samples on MalwareBazaar
TLSH T15FF5BF2277D55976D3D23B32DAAB0423CB36E0F25B26DAFF28493B0919477A31D45B02
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter zbetcheckin
Tags:64 exe zgRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
313
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7.exe
Verdict:
Malicious activity
Analysis date:
2024-03-27 08:28:19 UTC
Tags:
pureloader purecrypter loader zgrat pureminer
Link:
https://app.any.run/tasks/877b20dc-47d3-4544-a3ca-67d40df29047

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand lolbin net_reactor overlay packed packed remote
Link:
https://www.filescan.io/uploads/6603d826749593bccd26e21a/reports/c399b6f2-9be6-47fc-a0c9-96e0def8ff45/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/3ac7eb76-3625-42da-8118-8124019c3999
Result
Threat name:
PureLog Stealer, Xmrig, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1416295
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Connects to many ports of the same IP (likely port scanning)
Detected Stratum mining protocol
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Xmrig
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PersistenceViaHiddenTask
Yara detected PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1416295 Sample: WRbiXjr77v.exe Startdate: 27/03/2024 Architecture: WINDOWS Score: 100 46 sweetchillz.duckdns.org 2->46 48 gamemodz.duckdns.org 2->48 50 7 other IPs or domains 2->50 58 Sigma detected: Xmrig 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 66 15 other signatures 2->66 10 HResult.exe 1 2->10         started        13 WRbiXjr77v.exe 1 2->13         started        15 HResult.exe 2->15         started        17 powershell.exe 23 2->17         started        signatures3 64 Uses dynamic DNS services 48->64 process4 signatures5 88 Multi AV Scanner detection for dropped file 10->88 90 Machine Learning detection for dropped file 10->90 92 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 10->92 19 HResult.exe 2 10->19         started        94 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->94 96 Modifies the context of a thread in another process (thread injection) 13->96 98 Injects a PE file into a foreign processes 13->98 22 WRbiXjr77v.exe 5 13->22         started        25 HResult.exe 15->25         started        27 conhost.exe 17->27         started        29 WmiPrvSE.exe 17->29         started        process6 file7 68 Writes to foreign memory regions 19->68 70 Modifies the context of a thread in another process (thread injection) 19->70 72 Injects a PE file into a foreign processes 19->72 31 AddInUtil.exe 1 19->31         started        44 C:\Users\user\AppData\Roaming\...\HResult.exe, PE32+ 22->44 dropped signatures8 process9 signatures10 100 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 31->100 102 Modifies the context of a thread in another process (thread injection) 31->102 104 Injects a PE file into a foreign processes 31->104 34 AddInUtil.exe 16 2 31->34         started        process11 dnsIp12 52 sweetchillz.duckdns.org 45.128.96.133, 39001, 39002, 49705 XXLNETNL Germany 34->52 54 pong.filebin.net 88.99.137.18, 443, 49710, 49715 HETZNER-ASDE Germany 34->54 74 Found strings related to Crypto-Mining 34->74 76 Writes to foreign memory regions 34->76 78 Modifies the context of a thread in another process (thread injection) 34->78 80 Injects a PE file into a foreign processes 34->80 38 AddInProcess.exe 34->38         started        42 AddInProcess.exe 34->42         started        signatures13 process14 dnsIp15 56 rx-us-east.unminable.com 159.203.162.18, 3333, 49723, 49724 DIGITALOCEAN-ASNUS United States 38->56 82 Query firmware table information (likely to detect VMs) 38->82 84 Found strings related to Crypto-Mining 38->84 signatures16 86 Detected Stratum mining protocol 56->86
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7/
Threat name:
Win64.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-03-27 08:26:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
4
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ohtwf3fmbvapb4g5ejry5otwvv2gawlhqqe43ffkv2uhdgvef7dq._file
Verdict:
malicious
Similar samples:
03045e53a51ed7e49ac919e02f474e5a5723a62e4911f364c8c592ade608ef3d
zgRAT
1b665b7f78e4dc5b72a403bbb7c31f65d1db9e072933bee3bb3f04792903c12d
zgRAT
5ad1b9c53c1d492d106be462c7c5bfb1293d12ccf430804add98a96d3a34adcc
zgRAT
7fc4b31a1488f9b2c8211669fa3fa97b723e40cabed7195b9c745357588bc3e9
zgRAT
936b6537581510b28c42dfc24d97d1c668e12744942ac4ad723e4b66c43c68f8
zgRAT
+ 142 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat rat
Link:
https://tria.ge/reports/240327-kbb6dagc65/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7
MD5 hash:
65e566a4ba419a57aa4a16e54c20631b
SHA1 hash:
dfe905d834c1fad6d0e69878ff2aef8940777a75
Link:
https://www.unpac.me/results/c1b4b150-d3d2-4a8c-a96f-70eb323da592/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

zgRAT

Executable exe 71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2793685/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments


Avatar
zbet commented on 2024-03-27 08:25:04 UTC

url : hxxp://168.138.211.88:8099/84URIV/mm.exe